package com.atguigu.lease.web.app.custom.interceptor;

import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.utils.JwtUtil;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.util.ObjectUtils;
import org.springframework.web.servlet.HandlerInterceptor;

/**
 * projectName: com.atguigu.lease.web.app.custom.interceptor
 *
 * @author: 顾司羽
 * time: 2024/12/15 22:16 周日
 * description:
 */
@Component
public class AuthenticationInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //检查有无token
        String accessToken = request.getHeader("access_token");
        if (ObjectUtils.isEmpty(accessToken)) {
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_AUTH);
        }

        //校验token是否过期或被篡改
        JwtUtil.parseToken(accessToken);

        return true;//都放行，不符合要求的直接抛异常
    }
}
